package com.yiyi.credit.manage.abutment.ccxiapi.config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;


@Configuration
public class ExecutorConfig implements AsyncConfigurer {//实现AsyncConfigurer接口{

    private static final Logger logger = LoggerFactory.getLogger(ExecutorConfig.class);


    @Override
    public Executor getAsyncExecutor() {

        //ThreadPoolTaskExecutor threadPool = new ThreadPoolTaskExecutor();
        //使用VisiableThreadPoolTaskExecutor
        ThreadPoolTaskExecutor threadPool = new VisiableThreadPoolTaskExecutor();
        //配置核心线程数
        threadPool.setCorePoolSize(5);
        //配置最大线程数
        threadPool.setMaxPoolSize(10);
        //配置队列大小
        threadPool.setQueueCapacity(20);
        //配置线程池中的线程的名称前缀
        threadPool.setThreadNamePrefix("threadpool-async-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        //threadPool.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        threadPool.initialize(); // 初始化

        return threadPool;
    }

    @Override
    public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
        return null;
    }
}
